Jize in context: Street-network sprawl trends

Jize in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
JizeHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jize plotted against Hebei and China. The SNDi of new construction in Jize peaked in 1976-1990, compared to Hebei which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Jize's incremental SNDi fell from 2.72 to 2.04 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jize ranked 26th out of 120 cities in Hebei and 486th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.04
Rank in China
270th of 1843
Rank in Hebei
11th of 120

Entire Network (Aggregate)

SNDi value
2.37
Rank in China
486th of 1843
Rank in Hebei
26th of 120

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
JizeDengbuDonkorkrom

While Dengbu and Donkorkrom both built increasingly disconnected streets over time, Jize built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. Looking at the full network, Dengbu and Donkorkrom both became progressively more disconnected, while Jize grew more disconnected from 1975 through 1991-2005, then improved. Jize and Dengbu have been converging in their street-network character since 1975.